PANDIAN SARASWATHI YADAV ENGINEERING COLLEGE

DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING

Question Bank

SUBJECT CODE/NAME: EE6602, Embedded Systems

BRANCH/YEAR / SEM: EEE/III /VI

Faculty Name & Designation: R.Saravanan, Assistant Professor/EEE

UNIT-I INTRODUCTION TO EMBEDDED SYSTEMS

PART – A (2 MARKS)

1) Define system?

2) Define embedded system?

3) What are the three main components used in an embedded system?

4) What are the considerations are important to selecting the processor?

5) Define DMA controller?

6) What are the important steps involved in the design process of an embedded system?

7) Define virtual memory?

8) Define timer or timing device.

9) Define watchdog timer (WDT)?

10)  Define In-circuit Emulator (ICE)?

11)  Difference between CISC&RISC

PART – B

11. Explain the Structural units in embedded processor.

12. Explain with neat diagram the operations of DMA.

13. Explain Timer and counting devices.

14. List the hardware units and devices in embedded systems and explain it.

15. Write short notes on

(i) Selection of Processor.

(ii) Selection of Memory devices

16. Explain with neat diagram the Watchdog Timer

17. Explain the operations of RTC

18. Explain design process for embedded systems and explain it.

19. Explain Memory Management in embedded systems.

20. Explain the operation of ICE

21. Explain Target hardware debugging.

UNIT-II EMBEDDED NETWORKING

PART – A (2 MARKS)

1)Difference between Synchronous and Asynchronous communications?

2)What is I2C?

3)What is meant by UART?

4)What does UART contain?

5) Define half duplex and full duplex communication?

6)What is meant by Device Driver?

7) List out the Frames in CAN?

8)Define bus?

9)Define transmission rate?

10)Name the device drivers classification?

11)List out the standard microcontroller units?

12)List out the standards for 12c bus with its different speed level?

PART – B

  1. Explain the I/O device PORTS & Buses.
  2. Explain serial communication protocols
  3. Explain with neat diagram the RS-232 standards.
  4. Explain with neat diagram the RS-485 standards.
  5. Difference between RS-485 & RS-422
  6. Explain the operation of CAN
  7. Explain the operation of SPI bus.
  8. Explain the operation of I2C bus.

UNIT-III EMBEDDED FIRMWARE DEVELOPMENT ENVIRONMENT

PART – A (2 MARKS)

1) Define EDLC

2) Define Cost Benefit Analysis (CBA)?

3) Define integration testing?

4) What is meant by user acceptance testing?

5) What are the computational models commonly used in embedded system design?

6) Define Cost Benefit Analysis (CBA)

7) Define product scope?

8) Define data flow graph (DFG) Model?

9) What is the use of control DFG model?

10) What is meant by sequential program model?

PART – B

  1. Explain different phases of EDLC
  2. Explain modeling of EDLC
  3. Explain issues in hardware and software co-design
  4. Explain data flow graph model and control data flow graph
  5. Explain state machine model.
  6. Explain sequential program model
  7. Explain object oriented model

UNIT-IV RTOS BASED EMBEDDED SYSTEM DESIGN

PART – A (2 MARKS)

1) Difference between Linux and RT Linux?

2) What is meant by Semaphore?

3) Define critical section of a task?

4) What is RTOS?

5) Define (a) Mail box (b) Message queue?

6) What is meant by a pipe in os?

7) Explain in brief about the Remote procedure call?

8) What is context switching?

9) Explain in brief about Task Creation and Task delection?

10) What is meant by Exception handling?

PART – B

  1. Explain RTOS
  2. Explain task, process and threads in RTOS.
  3. Explain Multiprocessing and Multitasking.
  4. Explain TASK scheduling
  5. Explain TASK communication
  6. Explain Inter process Communication(IPC)

UNIT-V EMBEDDED SYSTEM APPLICATION DEVELOPMENT

PART – A (2 MARKS)

1) What is Mukti-stae system?

2) Advantages&disadvantages of software modem

3Aapplications of software modem

4.Define audio players

5.what is the use of data compressor?

6.Define spin phase?

7.Define CAN

8.Define LIN

PART – B

1.Discuss the complete design of embedded system with an example

2.Draw a neat diagram and explain the application of smartcard system

3.With neat diagram explain the operation and working principle of washing machine